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Thanks for the update, I felt your pain having recently upgraded my wife’s iMac twice and a neighbours iMac.

Out of curiosity, had you properly cleaned the iMac of the previous adhesive before putting the new ones on? Screen and frame? I’m curious as to why it fell off as mine seems rock solid.
Well, good sir (or ma'am), it very well may have been the issue. I do recall dutifully remove the previous adhesive, but I did not use alcohol to ensure all residue was removed from the frame. The LCD was brand new, so no adhesive. In retrospect, that may have been the issue. You live and you learn. And sometimes you pay. Macs are not exactly user friendly to disassemble. But, well, I am obviously a genius and by god if I'm not going to let some piece of electronics taunt me. Lesson learned. Lesson learned.
 
Well, good sir (or ma'am), it very well may have been the issue. I do recall dutifully remove the previous adhesive, but I did not use alcohol to ensure all residue was removed from the frame. The LCD was brand new, so no adhesive. In retrospect, that may have been the issue. You live and you learn. And sometimes you pay. Macs are not exactly user friendly to disassemble. But, well, I am obviously a genius and by god if I'm not going to let some piece of electronics taunt me. Lesson learned. Lesson learned.

Sounds like you were pretty unlucky. At least with some perseverance you got it all working again.

I’ve never broken something that I’ve attempted to repair or upgrade myself but I’ve saved so much money doing it all myself that if I ever did I’m sure I would still be ahead, I bet you are too!
 
Well, good sir (or ma'am), it very well may have been the issue. I do recall dutifully remove the previous adhesive, but I did not use alcohol to ensure all residue was removed from the frame. The LCD was brand new, so no adhesive. In retrospect, that may have been the issue. You live and you learn. And sometimes you pay. Macs are not exactly user friendly to disassemble. But, well, I am obviously a genius and by god if I'm not going to let some piece of electronics taunt me. Lesson learned. Lesson learned.
Oh, and for good measure, this time around, I taped around the top corners with painters tape for a day or two to give myself the illusion of security. It's wall mounted, with no cables visible (routed behind the wall).
 
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Sounds like you were pretty unlucky. At least with some perseverance you got it all working again.

I’ve never broken something that I’ve attempted to repair or upgrade myself but I’ve saved so much money doing it all myself that if I ever did I’m sure I would still be ahead, I bet you are too!
Yes, indeed. I do all my own repairs on my Macs and have for over 20 years. Definitely ahead, but doesn't make this one any less painful. Makes me doubt my own abilities. Not coincidentally, I've also repaired washers, dryers, trash compactors... Recently, I called someone for the central air, they charged me $350 just to make a minor repair (power to the thermostat) and then it broke a month later. Another $350 just to look at it and a potential $1500 bill to repair some stupid little defrosting board that costs less than $50. I paid the guy for the visit (no choice) and ordered the board myself. Oh, I should probably mention, I'm a cheap bastard but with expensive tastes.
 
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